20874156

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 30945108

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1427, 2438, 2854, 3657, 4281, 4876, 5708, 7314, 8562, 14628, 17124, 32821, 65642, 75631, 98463, 131284, 151262, 196926, 226893, 302524, 393852, 453786, 907572, 1739513, 3479026, 5218539, 6958052, 10437078, 20874156]

約数ペア:

[(1, 20874156), (2, 10437078), (3, 6958052), (4, 5218539), (6, 3479026), (12, 1739513), (23, 907572), (46, 453786), (53, 393852), (69, 302524), (92, 226893), (106, 196926), (138, 151262), (159, 131284), (212, 98463), (276, 75631), (318, 65642), (636, 32821), (1219, 17124), (1427, 14628), (2438, 8562), (2854, 7314), (3657, 5708), (4281, 4876)]